Outdated as they are, removing openid from unit tests
Removing controller actions and routes
Contains migration! Removing identity_url from the user model
Removing configuration options and gem
Removing now-unused files

Also small cosmetic changes (indentation, syntax etc)
rdoc update
Issue 2642:  Landing pages on challenge creation not consistent
Issue 1187: Gift notification email links to the gift's general work url, rather than the collection work url
More refinements to work search. Escape special characters and add search summary.
Fix complete in work search summary and escaped brackets in numeric fields
Issue 2622:  in prompt meme fill notes, link to prompt goes to sign up form not prompt
Merge pull request #852 from CristinaRO/issue-3199-chapters-expire-cache

Issue 3199 chapters expire cache
Fixing pagination
Fix sort select
Fix sorting more thoroughly
Rename hit counters to stat counters, add migrations for stats, work collection info, and upcoming filter deploy
Merge pull request #859 from elzj/es_db_changes

Migrations for search deploy
Capitalized 'Support'
Merge pull request #843 from scottsds/issue_3269

Issue: 3269 - 404 on password changes on unactivated accounts
Issue 3284: Change subject line for account activation emails